"She's also acted as spokesperson for the Green Party, attracting a hostile response from various media commentators.
"In some ways she's had almost a schizophrenic relationship with the press, because as an actress she's treated as a kind of celebrity, and has sold numerous stories to women's magazines.
"It should be fascinating to hear this wonderfully talented and thoughtful woman speak about her life in the public eye."
An invite-only audience of about 100 is expected to attend the free lunch.
"We look forward to press club events as they provide valuable insights for our students," says School of Media Arts' head Margi Moore.
"It is an amazing opportunity for students to ask questions and network with media personalities."
It will be held on Friday, November 16, at the riverside Ferrybank Convention Centre.
The Wintec Press Club, administered by the School of Media Arts, stages three public events each year. Other speakers this year were New Zealand First leader Winston Peters and criminal defence lawyer Greg King, who died last weekend.
Braunias aims to invite guest speakers who will appeal to Wintec's journalism students - and other guests, including those prominent in politics, sport and entertainment.
"I'm thrilled Robyn Malcolm has agreed to speak at the third and final Press Club lunch for 2012," says Braunias.
"She's a forthright sort of rooster, and always entertaining.
"Her mere presence will likely encourage boisterous behaviour."